To access the printer’s Diagnostic Mode, please follow the steps in the table below.
Note: From the Diagnostics Menu, scroll down and select Motor Tests. Select PRINTER MOTOR TESTS and perform the various tests to check which part of the printer is causing the noise. To exit from the Diagnostics Menu, locate and select Exit Diagnostics Menu or simply restart the printer without pressing any buttons.
Important! If issue persists or if you locate the source of the noise, please contact Lexmark Technical Support for additional troubleshooting suggestions.